Transferred to other genera:
Hypsosinga henanensis Hu, Wang & Wang, 1991 -- see Sinolinyphia
In synonymy:
Hypsosinga aenea (Kroneberg, 1875, T from Singa) = Hypsosinga pygmaea Sundevall, 1831 (Marusik, 1989b: 43)
Hypsosinga affinis (O. Pickard-Cambridge, 1876, T from Singa) = Hypsosinga albovittata Westring, 1851 (Levy, 1984: 127)
Hypsosinga atra (Kulczyński, 1885, T from Singa) = Hypsosinga sanguinea C. L. Koch, 1844 (Levi, 1972a: 242)
Hypsosinga attica (Simon, 1885) = Hypsosinga albovittata Westring, 1851 (Hadjissarantos, 1940: 70, sub Singa)
Hypsosinga banksi (Petrunkevitch, 1911, T from Linyphia) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1972a: 244, sub H. variabilis)
Hypsosinga cubana (Banks, 1909, T from Singa) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1972a: 244, sub H. variabilis)
Hypsosinga distincta (Banks, 1892, T from Microneta) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1972a: 242, sub H. variabilis)
Hypsosinga hentzi (Banks, 1907, T from Singa) = Hypsosinga rubens Hentz, 1847 (Levi, 1972a: 250)
Hypsosinga hilgendorfi (Karsch, 1879, T from Theridion) = Hypsosinga sanguinea C. L. Koch, 1844 (Ono, 1981c: 4)
Hypsosinga itemvarians (Bonnet, 1955, T from Araneus) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1972a: 244, sub H. variabilis)
Hypsosinga laevisternis (Simon, 1909, T from Pronous) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1995b: 169)
Hypsosinga linyphiformis (Bösenberg & Strand, 1906) = Hypsosinga pygmaea Sundevall, 1831 (Yaginuma, 1962c: 32, sub Singa)
Hypsosinga luzhongxiani Barrion, Barrion-Dupo & Heong, 2013 = Hypsosinga alboria Yin, Wang, Xie & Peng, 1990 (Lin et al., 2023a: 502)
Hypsosinga melania (Chamberlin & Ivie, 1947, T from Singa) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1972a: 244, sub H. variabilis)
Hypsosinga modesta (Banks, 1896, T from Singa) = Hypsosinga rubens Hentz, 1847 (Levi, 1972a: 250)
Hypsosinga nigripes (Keyserling, 1884, T from Singa) = Hypsosinga rubens Hentz, 1847 (Levi, 1972a: 250)
Hypsosinga nigrofasciata (L. Koch, 1882) = Hypsosinga albovittata Westring, 1851 (Denis, 1952c: 1, sub Singa)
Hypsosinga orotes (Archer, 1951, T from Singa) = Hypsosinga funebris Keyserling, 1892 (Levi, 1972a: 246, sub H. singaeformis)
Hypsosinga quadripunctata (Kishida, 1931, T from Singa) = Hypsosinga pygmaea Sundevall, 1831 (Ono & Ogata, 2018: 609)
Hypsosinga rufula (Simon, 1874, T from Singa) = Hypsosinga sanguinea C. L. Koch, 1844 (Montardi et al., 2023: 15)
Hypsosinga scabristernis (Kulczyński, 1887, T from Singa) = Hypsosinga albovittata Westring, 1851 (Thaler & Knoflach, 2003: 637)
Hypsosinga singaeformis (Scheffer, 1904) = Hypsosinga funebris Keyserling, 1892 (Levi, 1975b: 113)
Hypsosinga theridiformis (Bösenberg & Strand, 1906, T from Singa) = Hypsosinga pygmaea Sundevall, 1831 (Yaginuma, 1962c: 32, sub Singa)
Hypsosinga truncata (Banks, 1901, T from Singa) = Hypsosinga rubens Hentz, 1847 (Levi, 1972a: 250)
Hypsosinga variabilis (Emerton, 1884) = Hypsosinga pygmaea Sundevall, 1831 (Levi, 1975c: 273)
Nomen dubium:
Hypsosinga aussereri (Thorell, 1873: 456, Europe, originally in Singa) -- Montardi et al., 2023: 16